// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef CONTENT_PUBLIC_BROWSER_NOTIFICATION_OBSERVER_H_
#define CONTENT_PUBLIC_BROWSER_NOTIFICATION_OBSERVER_H_

#include "content/common/content_export.h"

namespace content {

class NotificationDetails;
class NotificationSource;

// This is the base class for notification observers. When a matching
// notification is posted to the notification service, Observe is called.
class CONTENT_EXPORT NotificationObserver {
public:
    virtual void Observe(int type,
        const NotificationSource& source,
        const NotificationDetails& details)
        = 0;

protected:
    virtual ~NotificationObserver() { }
};

} // namespace content

#endif // CONTENT_PUBLIC_BROWSER_NOTIFICATION_OBSERVER_H_
